/*
 * Copyright (c) 1998 Robert Nordier
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * $FreeBSD: src/usr.sbin/btxld/elfh.c,v 1.3 2000/01/04 14:10:36 marcel Exp $
 * $DragonFly: src/usr.sbin/btxld/elfh.c,v 1.2 2003/06/17 04:29:52 dillon Exp $
 */

#include <sys/types.h>

#include <stddef.h>
#include "elfh.h"

#define SET_ME  0xeeeeeeee    /* filled in by btxld */

/*
 * ELF header template.
 */
const struct elfh elfhdr = {
    {
        {
            ELFMAG0, ELFMAG1, ELFMAG2, ELFMAG3,     /* e_ident */
            ELFCLASS32, ELFDATA2LSB, EV_CURRENT, 0,
            'F', 'r', 'e', 'e', 'B', 'S', 'D', 0
        },
        ET_EXEC,                                    /* e_type */
        EM_386,                                     /* e_machine */
        EV_CURRENT,                                 /* e_version */
        SET_ME,                                     /* e_entry */
        offsetof(struct elfh, p),                   /* e_phoff */
        offsetof(struct elfh, sh),                  /* e_shoff */
        0,                                          /* e_flags */
        sizeof(elfhdr.e),                           /* e_ehsize */
        sizeof(elfhdr.p[0]),                        /* e_phentsize */
        sizeof(elfhdr.p) / sizeof(elfhdr.p[0]),     /* e_phnum */
        sizeof(elfhdr.sh[0]),                       /* e_shentsize */
        sizeof(elfhdr.sh) / sizeof(elfhdr.sh[0]),   /* e_shnum */
        1                                           /* e_shstrndx */
    },
    {
        {
            PT_LOAD,                                /* p_type */
            sizeof(elfhdr),                         /* p_offset */
            SET_ME,                                 /* p_vaddr */
            SET_ME,                                 /* p_paddr */
            SET_ME,                                 /* p_filesz */
            SET_ME,                                 /* p_memsz */
            PF_R | PF_X,                            /* p_flags */
            0x1000                                  /* p_align */
        },
        {
            PT_LOAD,                                /* p_type */
            SET_ME,                                 /* p_offset */
            SET_ME,                                 /* p_vaddr */
            SET_ME,                                 /* p_paddr */
            SET_ME,                                 /* p_filesz */
            SET_ME,                                 /* p_memsz */
            PF_R | PF_W,                            /* p_flags */
            0x1000                                  /* p_align */
        }
    },
    {
        {
            0, SHT_NULL, 0, 0, 0, 0, SHN_UNDEF, 0, 0, 0
        },
        {
            1,                                      /* sh_name */
            SHT_STRTAB,                             /* sh_type */
            0,                                      /* sh_flags */
            0,                                      /* sh_addr */
            offsetof(struct elfh, shstrtab),        /* sh_offset */
            sizeof(elfhdr.shstrtab),                /* sh_size */
            SHN_UNDEF,                              /* sh_link */
            0,                                      /* sh_info */
            1,                                      /* sh_addralign */
            0                                       /* sh_entsize */
        },
        {
            0xb,                                    /* sh_name */
            SHT_PROGBITS,                           /* sh_type */
            SHF_EXECINSTR | SHF_ALLOC,              /* sh_flags */
            SET_ME,                                 /* sh_addr */
            SET_ME,                                 /* sh_offset */
            SET_ME,                                 /* sh_size */
            SHN_UNDEF,                              /* sh_link */
            0,                                      /* sh_info */
            4,                                      /* sh_addralign */
            0                                       /* sh_entsize */
        },
        {
            0x11,                                   /* sh_name */
            SHT_PROGBITS,                           /* sh_type */
            SHF_ALLOC | SHF_WRITE,                  /* sh_flags */
            SET_ME,                                 /* sh_addr */
            SET_ME,                                 /* sh_offset */
            SET_ME,                                 /* sh_size */
            SHN_UNDEF,                              /* sh_link */
            0,                                      /* sh_info */
            4,                                      /* sh_addralign */
            0                                       /* sh_entsize */
        }
    },
    "\0.shstrtab\0.text\0.data"                     /* shstrtab */
};